diff --git a/include/boost/decimal/detail/fenv_rounding.hpp b/include/boost/decimal/detail/fenv_rounding.hpp
index 4674033e0..ae369d38d 100644
--- a/include/boost/decimal/detail/fenv_rounding.hpp
+++ b/include/boost/decimal/detail/fenv_rounding.hpp
@@ -202,7 +202,7 @@ constexpr auto coefficient_rounding(T1& coeff, T2& exp, T3& biased_exp, const bo
     using demoted_integer_type = std::conditional_t<std::numeric_limits<T1>::digits10 < std::numeric_limits<sig_type>::digits10, T1, sig_type>;
 
     // How many digits need to be shifted?
-    const auto shift_for_large_coeff {(coeff_digits - detail::precision_v<TargetDecimalType>) - 1};
+    const int shift_for_large_coeff {(coeff_digits - detail::precision_v<TargetDecimalType>) - 1};
     int shift {};
     BOOST_DECIMAL_IF_CONSTEXPR (is_fast_type_v<TargetDecimalType>)
     {
@@ -212,7 +212,7 @@ constexpr auto coefficient_rounding(T1& coeff, T2& exp, T3& biased_exp, const bo
     }
     else
     {
-        const auto shift_for_small_exp {(-biased_exp) - 1};
+        const auto shift_for_small_exp {static_cast<int>((-biased_exp) - 1)};
         shift = std::max(shift_for_small_exp, shift_for_large_coeff);
     }
 
diff --git a/include/boost/decimal/detail/mul_impl.hpp b/include/boost/decimal/detail/mul_impl.hpp
index 8d8b4d9be..7ec48e9ce 100644
--- a/include/boost/decimal/detail/mul_impl.hpp
+++ b/include/boost/decimal/detail/mul_impl.hpp
@@ -162,11 +162,11 @@ constexpr auto d128_mul_impl(const T1& lhs_sig, const U1 lhs_exp, const bool lhs
 
     // 34 is the number of digits in the d128 significand
     // this way we can skip rounding in the constructor a second time
-    const auto digit_delta {sig_dig - 34};
+    const auto digit_delta {sig_dig - std::numeric_limits<sig_type>::digits10};
     if (BOOST_DECIMAL_LIKELY(digit_delta > 0))
     {
-        res_sig /= pow10<sig_type>(digit_delta);
-        res_exp += digit_delta;
+        auto biased_exp {res_exp + detail::bias_v<ReturnType>};
+        detail::coefficient_rounding<ReturnType>(res_sig, res_exp, biased_exp, sign, sig_dig);
     }
 
     BOOST_DECIMAL_ASSERT((res_sig[3] | res_sig[2]) == 0U);
diff --git a/test/github_issue_1026.cpp b/test/github_issue_1026.cpp
index 5a75afc42..94ee6badb 100644
--- a/test/github_issue_1026.cpp
+++ b/test/github_issue_1026.cpp
@@ -45,6 +45,8 @@ int main()
     BOOST_TEST_EQ("9999999999999999999999999992345678.49"_DL, "9999999999999999999999999992345678"_DL);
     BOOST_TEST_EQ("9999999999999999999999999992345678.50"_DL, "9999999999999999999999999992345678"_DL);
     BOOST_TEST_EQ("9999999999999999999999999992345678.51"_DL, "9999999999999999999999999992345679"_DL);
+    BOOST_TEST_EQ("145433.2908011933696719165119928295655062562131932287426051970822"_DL, "145433.2908011933696719165119928296"_DL);
+    BOOST_TEST_EQ("30269.587755640502150977251770554"_DL * "4.8046009735990873395936309640543"_DL, "145433.2908011933696719165119928296"_DL);
 
     BOOST_TEST_EQ(("0"_DF + "8.4e-96"_DF), "8.4e-96"_DF);
     BOOST_TEST_EQ(("0"_DF + std::numeric_limits<decimal32_t>::denorm_min()), std::numeric_limits<decimal32_t>::denorm_min());